Each country, each territory has a different identity, a different cultural beauty. We need to know how to preserve our cultural identity as well as promote those outstanding features to friends in five continents. National cultural identity is the long-standing cultural features of the nation passed down from generation to generation, which have become customs and habits, regional characteristics of our whole country. In addition, the national cultural identity is also the values that make the difference of each country, the richness in the lifestyle, the collective activities of people and create the diversity of colors for life. . National cultural identity is of great importance to the life of each person in particular and the development of the country in general. The national cultural identity or more specifically the regional culture is a place where people exchange cultures, honor the beauty of their homeland, and also a place where people bond with each other and have fun. National cultural identity is also the cultural characteristics of that country, which makes our country not be confused with any other country. However, at present, many beauties in the national cultural identity of Vietnam are being lost, gradually lost or degraded, transformed into many other genres. Therefore, each individual, especially our students, must consciously learn the inherent cultural identities of the nation, preserve and promote those values with friends from all over the world. The school needs to organize more activities to propagate and bring to students a source of knowledge about the national cultural identity. Each student needs to put the responsibility of preserving the national cultural identity first, and actively cultivate their understanding of the good cultural values of their home country.